Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joubert, J (Jonathan)

Chess SA id

1110145749

FIDE id

Date of birth

2011-03-18 (U16)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1315.9	1331.5	1200	1200
Raw rating	1315.9	1331.5	1200	1200
Weighted rating	1306.4	1321.5	1200	1200
Weighted performance	0	0	0	0
Floor	815.9	831.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.6	137.5	165.8	165.8
Highest rating	1471.8 2023-08-01	1471.2 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1315.9 2024-11-01	1331.5 2024-11-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1299.4 2025-08-01	1314 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1471.8 2023-08-01	1471.2 2023-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1315.9	1331.5	1200	1200
Analysis
Rating	1315.9	1331.5	1200	1200
Raw rating	1315.9	1331.5	1200	1200
Weighted rating	1306.4	1321.5	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	815.9	831.5	700	700
Max/Min rating change allowed	140.6	137.5	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1315.9	1331.5	1200	1200
New weighted rating	1308.3	1323.5	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1315.9	1331.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1315.9	1331.5	1200	1200
New K-factor	36	36	36	36
New floor	815.9	831.5	700	700

Item	Main	Standard
	0	0
	0	0
	15	15
	5	5
	0	0
	0	0
History	20	20

Games since
	Main 15	Standard 15		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	20	14	70	170	1246.1	1416.1
Standard	20	14	70	170	1246.1	1416.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1315.9	1331.5	1200	1200
2025-09-30	1315.9	1331.5	1200	1200
2025-09-01	1315.9	1331.5	1200	1200
2025-08-01	1315.9	1331.5	1200	1200
2025-07-01	1315.9	1331.5	1200	1200
2025-06-01	1315.9	1331.5	1200	1200
2025-05-01	1315.9	1331.5	1200	1200
2025-04-01	1315.9	1331.5	1200	1200
2025-03-01	1315.9	1331.5	1200	1200
2025-02-01	1315.9	1331.5	1200	1200
2025-01-01	1315.9	1331.5	1200	1200
2024-12-01	1315.9	1331.5	1200	1200
2024-11-01	1315.9	1331.5	1200	1200
2024-10-01	1306.3	1323.9	1200	1200
2024-09-01	1306.3	1323.9	1200	1200
2024-08-01	1263	1274.2	1200	1200
2024-07-01	1263	1274.2	1200	1200
2024-09-01	1263	1274.2	1200	1200
2024-05-01	1250.5	1261.2	1200	1200
2024-04-01	1250.5	1261.2	1200	1200
2024-03-01	1250.5	1261.2	1200	1200
2024-02-01	1250.5	1261.2	1200	1200
2024-01-01	1250.5	1261.2	1200	1200
2023-12-01	1250.5	1261.2	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Gauteng Top Schools 2024 (U13 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	2024 Tshwane North School District Team League Finals (U13)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
3	District 3 Cluster 4 and 5 Individuals 2024 (U13 Boys)	2024-05-04	2024-05-04	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2023 Tshwane North School District CLOSED League Championships (D3)	2023-08-12	2023-08-12	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Maphiri, M (Mukhethwa)				Opponent Lamb, J (John)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mdlili, L (Lesedi)				Opponent Bekker, D (Dian)
3	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Maodi, O (Oratile)				Opponent Sibande, K (Karabo)

#	Games	Start				End
1	5	Tournament 2024 Tshwane North School District Team League Finals				Tournament Gauteng Top Schools 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-10-04	rnd 4	type Standard	result 1
		Opponent Maphiri, M (Mukhethwa)				Opponent Lamb, J (John)
2	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mdlili, L (Lesedi)				Opponent Bekker, D (Dian)
3	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Maodi, O (Oratile)				Opponent Sibande, K (Karabo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mdlili, L (Lesedi)				Opponent Bekker, D (Dian)
2	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Maodi, O (Oratile)				Opponent Sibande, K (Karabo)
3	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Munyai, O (Oratilwe Carolex)				Opponent Raphotle, A (Amogelang)

#	Games	Start				End
1	3	Tournament 2024 Tshwane North School District Team League Finals				Tournament 2024 Tshwane North School District Team League Finals
		date 2024-08-03	rnd 1	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Mdlili, L (Lesedi)				Opponent Bekker, D (Dian)
2	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament District 3 Cluster 4 and 5 Individuals 2024
		date 2023-08-12	rnd 5	type Standard	result 1	date 2024-05-04	rnd 2	type Standard	result 1
		Opponent Maodi, O (Oratile)				Opponent Sibande, K (Karabo)
3	3	Tournament 2023 Tshwane North School District CLOSED League Championships				Tournament 2023 Tshwane North School District CLOSED League Championships
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-08-12	rnd 3	type Standard	result 1
		Opponent Munyai, O (Oratilwe Carolex)				Opponent Raphotle, A (Amogelang)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	De Villiers ,IP (Izak Petrus)	1	1	425	1	1	425	0	0	0	0	0	0
1	De Villiers ,IP (Izak Petrus)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Raphotle ,A (Amogelang)	1	1	425	1	1	425	0	0	0	0	0	0
2	Raphotle ,A (Amogelang)	1	1253.5	1678.5	1	1263	1678.5	0	0	0	0	0	0
3	Sibande ,K (Karabo)	1	1	425	1	1	425	0	0	0	0	0	0
3	Sibande ,K (Karabo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Mokhabela ,K (Kgothatso)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mokhabela ,K (Kgothatso)	1	1231.7	1656.7	1	1238.5	1656.7	0	0	0	0	0	0
5	Myburgh ,V (Vaughn)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Myburgh ,V (Vaughn)	1	1370.9	945.9	1	1367.6	945.9	0	0	0	0	0	0
6	Maphiri ,M (Mukhethwa)	1	1	425	1	1	425	0	0	0	0	0	0
6	Maphiri ,M (Mukhethwa)	1	1229.3	1654.3	1	1234.9	1654.3	0	0	0	0	0	0
7	Munyai ,O (Oratilwe Carolex)	1	1	425	1	1	425	0	0	0	0	0	0
7	Munyai ,O (Oratilwe Carolex)	1	1149.8	1574.8	1	1139.2	1574.8	0	0	0	0	0	0
8	Jones ,K (Kaden)	1	1	425	1	1	425	0	0	0	0	0	0
8	Jones ,K (Kaden)	1	1154.8	1579.8	1	1146.8	1579.8	0	0	0	0	0	0
9	Bekker ,D (Dian)	1	1	425	1	1	425	0	0	0	0	0	0
9	Bekker ,D (Dian)	1	1165.5	1590.5	1	1158.4	1590.5	0	0	0	0	0	0
10	Van Der Walt ,H (Henrico)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Der Walt ,H (Henrico)	1	1250.3	825.3	1	1247.5	825.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Joubert, J (Jonathan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms